DBMS > JSqlDb vs. OpenMLDB

System Properties Comparison JSqlDb vs. OpenMLDB

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Editorial information provided by DB-Engines

Name

JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.

Description

JavaScript Query Language Database, stores JavaScript objects and primitives

An open-source machine learning database that provides a feature platform for training and inference

Primary database model

Document store
Object oriented DBMS

Time Series DBMS

Secondary database models

Relational DBMS

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	0.08
Rank	#347	Overall
	#33	Time Series DBMS

Website

jsqldb.org (offline)

openmldb.ai

Technical documentation

openmldb.ai/docs/zh/main

Developer

Konrad von Backstrom

4 Paradigm Inc.

Initial release

2018

2020

Current release

0.8, December 2018

2024-2 February 2024

License

Commercial or Open Source

Open Source

Cloud-based only

Only available as a cloud service

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Database as a Service

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Implementation language

C++, Java, Scala

Server operating systems

Linux
macOS
Windows

Linux

Data scheme

schema-free

Fixed schema

Typing

predefined data types such as float or date

yes

XML support

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

Secondary indexes

yes

SQL

Support of SQL

yes

APIs and other access methods

JDBC
SQLAlchemy

Supported programming languages

JavaScript

C++
Go
Java
Python
Scala

Server-side scripts

Stored procedures

functions in JavaScript

Triggers

Partitioning methods

Methods for storing different data on different nodes

none

horizontal partitioning

Replication methods

Methods for redundantly storing data on multiple nodes

none

Source-replica replication

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

Foreign keys

Referential integrity

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

using RocksDB

yes

In-memory capabilities

Is there an option to define some or all structures to be held in-memory only.

yes

User concepts

Access control

fine grained access rights according to SQL-standard

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